1 files changed, 11 insertions, 11 deletions

diff --git a/block/backup.c b/block/backup.c
index bd3614ce70..ac91821b08 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -27,13 +27,13 @@
 #include "qemu/bitmap.h"
 #include "qemu/error-report.h"
 
-#include "block/backup-top.h"
+#include "block/copy-before-write.h"
 
 #define BACKUP_CLUSTER_SIZE_DEFAULT (1 << 16)
 
 typedef struct BackupBlockJob {
     BlockJob common;
-    BlockDriverState *backup_top;
+    BlockDriverState *cbw;
     BlockDriverState *source_bs;
     BlockDriverState *target_bs;
 
@@ -104,7 +104,7 @@ static void backup_clean(Job *job)
 {
     BackupBlockJob *s = container_of(job, BackupBlockJob, common.job);
     block_job_remove_all_bdrv(&s->common);
-    bdrv_backup_top_drop(s->backup_top);
+    bdrv_cbw_drop(s->cbw);
 }
 
 void backup_do_checkpoint(BlockJob *job, Error **errp)
@@ -408,7 +408,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
     BackupBlockJob *job = NULL;
     int64_t cluster_size;
     BdrvRequestFlags write_flags;
-    BlockDriverState *backup_top = NULL;
+    BlockDriverState *cbw = NULL;
     BlockCopyState *bcs = NULL;
 
     assert(bs);
@@ -521,22 +521,22 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
     write_flags = (bdrv_chain_contains(target, bs) ? BDRV_REQ_SERIALISING : 0) |
                   (compress ? BDRV_REQ_WRITE_COMPRESSED : 0),
 
-    backup_top = bdrv_backup_top_append(bs, target, filter_node_name,
+    cbw = bdrv_cbw_append(bs, target, filter_node_name,
                                         cluster_size, perf,
                                         write_flags, &bcs, errp);
-    if (!backup_top) {
+    if (!cbw) {
         goto error;
     }
 
     /* job->len is fixed, so we can't allow resize */
-    job = block_job_create(job_id, &backup_job_driver, txn, backup_top,
+    job = block_job_create(job_id, &backup_job_driver, txn, cbw,
                            0, BLK_PERM_ALL,
                            speed, creation_flags, cb, opaque, errp);
     if (!job) {
         goto error;
     }
 
-    job->backup_top = backup_top;
+    job->cbw = cbw;
     job->source_bs = bs;
     job->target_bs = target;
     job->on_source_error = on_source_error;
@@ -552,7 +552,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
     block_copy_set_progress_meter(bcs, &job->common.job.progress);
     block_copy_set_speed(bcs, speed);
 
-    /* Required permissions are already taken by backup-top target */
+    /* Required permissions are taken by copy-before-write filter target */
     block_job_add_bdrv(&job->common, "target", target, 0, BLK_PERM_ALL,
                        &error_abort);
 
@@ -562,8 +562,8 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
     if (sync_bitmap) {
         bdrv_reclaim_dirty_bitmap(sync_bitmap, NULL);
     }
-    if (backup_top) {
-        bdrv_backup_top_drop(backup_top);
+    if (cbw) {
+        bdrv_cbw_drop(cbw);
     }
 
     return NULL;